Home / 831,603.05-1,246,868.26-326,215.10

Finding the Fourth Proportional to 831,603.05, 1,246,868.26 and 326,215.10

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Solution

The fourth proportional to 831,603.05, 1,246,868.26 and 326,215.10 is: 489,112.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,603.05 : 1,246,868.26 = 326,215.10 : x
  2. Step 2: Convert to fraction form
    831,603.05/1,246,868.26 = 326,215.10/x
  3. Step 3: Cross multiply
    831,603.05x = 1,246,868.26 × 326,215.10
  4. Step 4: Simplify right side
    831,603.05x = 406,747,254,122.73
  5. Step 5: Solve for x
    x = 406,747,254,122.73/831,603.05
  6. Step 6: Final answer
    x = 489,112.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.